(3GdJShjb GdSjGSi (B/ s - (3TQhOQ, g`(B. (3T(B.s; (3cfJQjc(B, (3L(B. (3es; (3OGajO, Os; (3Ydi ebdOs ((3HjQhJ (B: s (3OGQ efThQGJ YhjOGJ , s, 1983)
Keywords: (3GdSjGSI GdOhdjIs; (3GdJShjbs; (3GdGYdGfs; (3GdOYGjIs; (3GdGYdGe GdOhdis; (3GdOYGjI GdSjGSjIs